package cn.edu.hqu.cst.android.welshiyan5;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.Editable;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    public static int MODE = MODE_PRIVATE;
    public static final String PREFERENCE_NAME = "SaveSetting";
    Button btnLogin;
    EditText etAccount, etPassword;
    SharedPreferences sharedPreferences;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        btnLogin = findViewById(R.id.btn_login);
        etAccount = findViewById(R.id.account_input);
        etPassword = findViewById(R.id.password_input);

        btnLogin.setOnClickListener(this);

        sharedPreferences = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE);
        String name = sharedPreferences.getString("name", "");
        String password = sharedPreferences.getString("password", "");
        etAccount.setText(name);
        etPassword.setText(password);
    }

    @Override
    public void onClick(View v) {
        if (v.getId() == R.id.btn_login) {
            String account = etAccount.getText().toString();
            String password = etPassword.getText().toString();

            if ("admin".equals(account) && "123456".equals(password)) {
                SharedPreferences.Editor editor = sharedPreferences.edit();
                editor.putString("name", account);
                editor.putString("password", password);
                editor.apply(); 
                Toast.makeText(this, "登录成功", Toast.LENGTH_LONG).show();
                finish();
            } else {
                Toast.makeText(this, "账号或密码有误", Toast.LENGTH_LONG).show();
            }
        }
    }
}